#define TRUE 1
#define FALSE 0

void initialFileSystem ( );

/* implements the "create" command (one argument; not in standard UNIX) */
void createFile (char *);

/* implements the "append" command (one argument; not in standard UNIX) */
void appendFile (char *);

/* implements the "mkdir" command (one argument; no options) */
void createDir (char *);
/* implements the "cd" command (one argument, no options) */
void newWorkingDir (char *);

/* implements the "ln" command (two arguments, no options) */
void createSoftLink (char *, char *);

/* implements the "rm" command (one argument, no options) */
void removeFile (char *);

/* implements the "rmdir" command (one argument, no options) */
void removeDir (char *);

/* implements the "mv" command (two arguments, no options) */
void moveEntry (char * from, char * to);

/* implements the "pwd" command (no arguments, no options) */
void printWorkingDir ();

/* implements the "ls" command (0 or 1 argument; no options) */
void listWorkingDir ();
void listWithinWorkingDir (char *);

/* implements the "cat" command (arbitrary number of arguments; no options) */
void listFileContents (char * args);

/* implements the "setRead" command (two arguments; not in standard UNIX)*/
void modifyReadable (int, char *);

/* implements the "setWrite" command (two arguments; not in standard UNIX)*/
void modifyWritable (int, char *);